Ko te paipa ASTM A 179, he mea hanga mai i te hangarau me ngā paerewa hou o te umanga maitai, he paipa kore-whakaoti matao mō te whakawhiti wera me te whakapūmau. He paipa kore-whakaoti, he mea kumea matao.ngongo maitai warome te matotoru iti rawa o te pakitara o te 0.045 inihi [1.1 mm], he pai mō te whakamahi i roto i ngā whakamahana wai whāngai ngongo. Ko te rahi o ngā ngongo kei waenga i te 1/8-inihi ki te 3/4-inihi [3.2 ki te 19.0-mm] te whānui o waho, tae atu ki tēnā. Ka taea te tāpiri i ngā whakaritenga tāpiri e hiahiatia ana.
Ka hipokina e tēnei whakatakotoranga te matotoru iti rawa o te pakitara,ngā ngongo maitai waro matao-kore, tae atu ki te piko ki te āhua o ngā ngongo-U mēnā kua tohua. He pai te paipa i tonoa i raro i tēnei whakatakotoranga mō te whakamahi i roto i ngā whakawhiti wera ngongo, ngā whakapūmau, me ngā taputapu whakawhiti wera rite. Ko tēnei ASTM A 179 Whakaotinga makariripaipa tuituimō te whakawhiti wera me te whakapūmau wera, he pai mō te whānuitanga o ngā mahi, ā, kua hangaia kia mahi i roto i ngā taiao pāmahana teitei me te pēhanga teitei.
Hei whakamutunga, ko te ASTM A 179 a Botop SteelPaipa tuitui mataoHe hua kounga teitei te miihini whakawhiti wera me te miihini whakapūmau e tutuki ana i ngā paerewa ahumahi hou, ā, e tuku ana i te mahi tino pai. Mā te whakapau kaha a Botop Steel ki te kounga me te ratonga kiritaki ka whiwhi ā rātou kiritaki i te hua pai rawa atu, me te ratonga tino pai. Nā ō rātou wheako me te tohungatanga whānui i roto i te umanga maitai, ko rātou te whiringa matua mō ngā kiritaki e hiahia ana ki ngā paipa me ngā ngongo kounga teitei, pono hoki.
Wā tuku: Mei-18-2023